4. Match the formula and solve the problems based on interior and exterior angle property

Match the formula:

1. Sum of all interior angles of any polygons with n sides is

Answer variants:

360°/n

(n-2)×180°

360°

(n-2)×180°/n

2. Sum of each exterior angle of a regular octagon is

i

\(°\).

3. The number of diagonals in a convex nonagon is .

Did you find an error?